title: Superiority of verapamil to propranolol in stable angina pectoris: a double-blind, randomized crossover trail.
mesh_terms: D000328:Adult; D000368:Aged; D000787:Angina Pectoris / Q000188:drug therapy* / Q000503:physiopathology; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000188:drug therapy; D005996:Nitroglycerin / Q000627:therapeutic use; D010919:Placebos; D011433:Propranolol / Q000627:therapeutic use*; D011897:Random Allocation; D013997:Time Factors; D014700:Verapamil / Q000627:therapeutic use*
chemical_list: D010919:Placebos; D011433:Propranolol; D014700:Verapamil; D005996:Nitroglycerin